1
22
23 package com.liferay.portlet.ratings.action;
24
25 import com.liferay.portal.kernel.json.JSONFactoryUtil;
26 import com.liferay.portal.kernel.json.JSONObject;
27 import com.liferay.portal.kernel.util.MathUtil;
28 import com.liferay.portal.kernel.util.ParamUtil;
29 import com.liferay.portal.struts.JSONAction;
30 import com.liferay.portlet.ratings.model.RatingsStats;
31 import com.liferay.portlet.ratings.service.RatingsEntryServiceUtil;
32 import com.liferay.portlet.ratings.service.RatingsStatsLocalServiceUtil;
33
34 import javax.servlet.http.HttpServletRequest;
35 import javax.servlet.http.HttpServletResponse;
36
37 import org.apache.struts.action.ActionForm;
38 import org.apache.struts.action.ActionMapping;
39
40
45 public class RateEntryAction extends JSONAction {
46
47 public String getJSON(
48 ActionMapping mapping, ActionForm form, HttpServletRequest request,
49 HttpServletResponse response)
50 throws Exception {
51
52 String className = getClassName(request);
53 long classPK = getClassPK(request);
54 double score = ParamUtil.getDouble(request, "score");
55
56 if (score == 0) {
57 RatingsEntryServiceUtil.deleteEntry(className, classPK);
58 }
59 else {
60 RatingsEntryServiceUtil.updateEntry(className, classPK, score);
61 }
62
63 RatingsStats stats = RatingsStatsLocalServiceUtil.getStats(
64 className, classPK);
65
66 double averageScore = MathUtil.format(stats.getAverageScore(), 1, 1);
67
68 JSONObject jsonObj = JSONFactoryUtil.createJSONObject();
69
70 jsonObj.put("totalEntries", stats.getTotalEntries());
71 jsonObj.put("totalScore", stats.getTotalScore());
72 jsonObj.put("averageScore", averageScore);
73
74 return jsonObj.toString();
75 }
76
77 protected String getClassName(HttpServletRequest request) {
78 return ParamUtil.getString(request, "className");
79 }
80
81 protected long getClassPK(HttpServletRequest request) {
82 return ParamUtil.getLong(request, "classPK");
83 }
84
85 }